MA 336 Review confidence intervals &pothesis; Testing MULTIPLE CHOICE·Choose the
ID: 3313205 • Letter: M
Question
MA 336 Review confidence intervals &pothesis; Testing MULTIPLE CHOICE·Choose the one alternative that best completes the statement or *nswer, the question. Provide an appropriate response. 1) Find the critical value zc that corresponds to a 94% confidence level. B) 42.33 C) ±1.96 A) 41645 2) Find the critical value,e for c-0.99 and n- 10 2) A) 3.250 B) 2.262 C) 1.833 D) 3.169 3) Determine the sampling error if the grade point averages for 10 randomly selected students from a 3) classof 125 students has a mean of -2.8 Assume the grade point average of the 125 students has a mean of -35. A)3.15 B) 2.45 C) 0.7 D)-0.7 4) Find the value of E, the margin of error, for c 0.99, n - 16 and s 2.6 A) 1.69 B) 1.92 C) 0.42 D) 0.48 5) The statement represents a claim. Wit its complement and state which is Ho and which is HA -83 A)H0: -8.3 (claim): Ha: #8.3 C)H0: z 8.3 ; Hai = 8.3 (claim) B)Ho: 83 (claim); Ha: 8.3 (claim) 6) Given Ho: pz 80% and Ha: pExplanation / Answer
Solution:-
1) option D) ±1.88
2) option A) 3.250
3) option C) 0.7
4) option B) 1.92
5) option A)
6) option C) left-tailed
7) option B) (2.71,3.01)
8) option A) 0.366
9) option A)82
10) option B) Do not use the normal distribution.
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